Chair



FIG. 1 is a front perspective view from above of the chair embodying my new design;

FIG. 2 is a front perspective view from below of the chair;

FIG. 3 is a front perspective view from above of a modified version of the chair embodying my new design; and

FIG. 4 is a front perspective view from below of the chair in FIG. 3. 

The ornamental design for a chair, substantially as shown and described. 